John E. Johnston — 13 Patents at ExxonMobil

John E. Johnston has been granted 13 US patents while listed as an inventor at ExxonMobil. The first was granted in 1985 and the most recent in May 2006. John E. Johnston ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list John E. Johnston in Westfield, NJ, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7052597	Tuning fuel composition for driving cycle conditions in spark ignition engines	Walter Weissman, John T. Farrell, Alan M. Schilowitz, Takanori Ueda, Kazuhiro Akihama	2006-05-30
6206940	Fuel formulations to extend the lean limit (law770)	Walter Weissman, Anthony M. Dean, Kazuhiro Akihama, Satoshi Iguchi, Shuichi Kubo	2001-03-27	$420,143,000
5674822	Synthetic ester base stocks for low emission lubricants	Richard H. Schlosberg, Walter Weissman, Maciej Radosz, Gerald Dennis Dupre', Ralph D. Gray, Jr. +3 more	1997-10-07	$100,584,000
5356551	Multifunctional viscosity index improver for lubricating oil compositions	David Yen-Lung Chung	1994-10-18	$54,108,000
5262075	Multifunctional viscosity index improver exhibitng improved low temperature viscometric properties	David Yen-Lung Chung, Mark J. Struglinski	1993-11-16	$105,793,000
5252238	Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties	David Yen-Lung Chung, Antonio Gutierrez, Mark J. Struglinski, Robert D. Lundberg	1993-10-12	$70,827,000
5167848	Grafted viscosity index improver	David Yen-Lung Chung, Mark J. Struglinski	1992-12-01	$46,424,000
5053151	Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties	David Yen-Lung Chung, Antonio Gutierrez, Mark J. Struglinski, Robert D. Lundberg	1991-10-01	$58,430,000
5035821	End-capped multifunctional viscosity index improver	David Yen-Lung Chung	1991-07-30	$63,506,000
4900461	Viscosity modifier polymers (E-98)	Gary Ver Strate, Ricardo Bloch, Mark J. Struglinski, Roger K. West	1990-02-13	$56,084,000
4804794	Viscosity modifier polymers	Gary Ver Strate, Ricardo Bloch, Mark J. Struglinski, Roger K. West	1989-02-14	$50,584,000
4749505	Olefin polymer viscosity index improver additive useful in oil compositions	David Yen-Lung Chung	1988-06-07	$87,740,000
4507515	Lubricating oil compositions containing ethylene-alpha-olefin polymers of controlled sequence distribution and molecular heterogeneity	Ricardo Bloch, Gary Ver Strate, W. R. Song	1985-03-26	$38,119,000

John E. Johnston — 13 Patents

Issued Patents All Time

Patent Widget